In an orthogonal cutting test on mild Steel, the following data were obtained Cutting speed : 40 m/min Depth of cut : 0.3 mm Tool rake angle : +5 Chip thickness : 1.5 mm Cutting force : 900 N Thrust force : 450 NUsing Merchants analysis, the friction angle during the machining will be

In an orthogonal cutting test on mild Steel, the following data were o

1.	In an orthogonal cutting test on mild Steel, the following data were obtained Cutting speed : 40 m/min Depth of cut : 0.3 mm Tool rake angle : +5 Chip thickness : 1.5 mm Cutting force : 900 N Thrust force : 450 NUsing Merchants analysis, the friction angle during the machining will be
A.	26.6
B.	31.5
C.	45
D.	63.4
Answer» C. 45

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In an orthogonal cutting test on mild Steel, the following data were obtained Cutting speed : 40 m/min Depth of cut : 0.3 mm Tool rake angle : +5 Chip thickness : 1.5 mm Cutting force : 900 N Thrust force : 450 NUsing Merchants analysis, the friction angle during the machining will be

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